.Mary is so wet. She _______ in the rain.
| A．must be caught | B．must have been caught |
| C．should have been caught | D．can have been caught |
.He ___ an attempt ___ the President but failed.
A.took; to murder B.made; at murdering C.got; to murder B.had; at murdering
Thank you very much. Your coming has ___ me the trouble of writing you a letter.
| A．spared | B．shared | C．saved | D．offered |
___ she’s only a beginner of English, she’s speaking quite well.
| A．Looking | B．Considering | C．Expecting | D．Considered |
---I don’t think we have met before.
---Yes, once at a party, but we____.
| A．didn’t introduce | B．weren’t introduced | C．haven’t introduced | D．weren’t introducing |
He ___ his students’ respect after working with them for 3 years.
| A．received | B．won | C．accepted | D．took |